SPRO
Spero Therapeutics, Inc.Company with tickers: SPRO
Market Cap
$116.96M
Shares Outstanding
57,901,493
CIK
1701108
CUSIP
84833T103
13F Activity (30d)
2 filings
1 filers
Website
Visit website
Investor Relations
Investor relations
Price
$2.02
Market Cap
$116.96M
P/E Ratio
13.47
EPS (Diluted)
$0.15
52W High
$3.22
52W Low
$1.80
Daily candlestick prices with configurable technical indicators (moving averages, Bollinger Bands, RSI, MACD) and event bullets for 10-K, 10-Q, Form 4 and earnings dates. Price data syncs automatically from Yahoo Finance.
4 Down Days
Indicators
Price
Panels
Event markers
Price & Indicators
Drag to pan · scroll to zoomPerformance
| 5D | 20D | 120D | MTD | YTD | |
|---|---|---|---|---|---|
| SPRO | -4.3% | -31.1% | -13.3% | -28.6% | -13.3% |
| SPY | -0.9% | -2.2% | +7.7% | -2.9% | +7.7% |
| vs SPY | -3.4% | -28.9% | -21.0% | -25.7% | -21.0% |
Close
$2.02
Open
$2.12
Day Range
$2.02 — $2.13
52W High
$3.22
52W Low
$1.80
Avg Vol (30d)
1.5M
Short Interest
1.8M · 2.3d
Short Vol % (latest)
41%
Last Earnings
2026-05-13
Latest Filing
Data Range
2020-01-02 — 2026-06-25